28427662466 has 16 divisors (see below), whose sum is σ = 48735328320. Its totient is φ = 12182735760.

The previous prime is 28427662441. The next prime is 28427662477. The reversal of 28427662466 is 66426672482.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508061 + ... + 561231.

It is an arithmetic number, because the mean of its divisors is an integer number (3045958020).

Almost surely, 2^28427662466 is an apocalyptic number.

28427662466 is a deficient number, since it is larger than the sum of its proper divisors (20307665854).

28427662466 is a wasteful number, since it uses less digits than its factorization.

28427662466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91369.

The product of its digits is 9289728, while the sum is 53.

The spelling of 28427662466 in words is "twenty-eight billion, four hundred twenty-seven million, six hundred sixty-two thousand, four hundred sixty-six".